Scylla Blog

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Posts with tag "sstables"

Oct15

Introducing Scylla Open Source 3.1

The Scylla team is pleased to announce the availability of Scylla Open Source 3.1.0, a production-ready release of our open source NoSQL database. Scylla is an open source NoSQL database offering the same Cassandra Query Language (CQL) interface as Apache Cassandra, along with the same horizontal scale-out and fault-tolerance characteristics. Implemented from scratch in C++ with a close-to-the-hardware architecture, Scylla delivers 10X the throughput, consistent, low single-digit latencies, and significantly reduces the number of database nodes you require and self-optimizes to dynamic workloads and various hardware combinations. With the release of Scylla Open Source 3.1, we’ve introduced a number of […]

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Oct7

Compression in Scylla, Part Two

In the first part of this blog we’ve learned a bit about compression theory and how some of the compression algorithms work. In this part we focus on practice, testing how the different algorithms supported in Scylla perform in terms of compression ratios and speeds.

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Oct4

Compression in Scylla, Part One

In this two-part blog we’ll focus on the problem of storing as much information as we can in the least amount of space as possible. This first part will deal with the basics of compression theory and implementations in Scylla.

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Jan24

Scylla SSTable 3.0 Can Decrease File Sizes 50% or More

Scylla SSTable 3.0 Can Decrease File Sizes 50% or More

Scylla Open Source 3.0 ships with a new format for on-disk representation, SSTable 3.0. In this article, we will discuss some of the benefits that emerge from the adoption of this format and the scenarios in which they apply. We will discuss the differences between the old and new formats, and demonstrate use cases in which the new format has significant advantages, and others where the advantages are much smaller. This is truly a situation of “Your Mileage May Vary.” For example, in one test result below, we were able to show a 53% reduction in table size. Other use […]

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Aug14

Improvements to Scylla Streaming Performance

In this blog post, we will take a closer look at how Scylla streaming works in detail and how Scylla 2.4’s new streaming improves streaming bandwidth by 240% and reduces the time it takes to perform a “rebuild” operation by 70%.

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